package com.wzy.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;

import java.util.concurrent.TimeUnit;

@Service
public class PaymentService {
    public String paymentInfo_Ok(Integer id) {
        return "线程池 " + Thread.currentThread().getName() + " paymentInfo_ok" + id;
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandle", commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "5000")
    })
    public String paymentInfo_TimeOut(Integer id) {
        int time = 3;
        try {
            TimeUnit.SECONDS.sleep(time);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池 " + Thread.currentThread().getName() + " paymentInfo_TimeOut" + id + "耗时(秒)" + " " + time;
    }

    public String paymentInfo_TimeOutHandle(Integer id) {
        return "线程池 " + Thread.currentThread().getName() + " paymentInfo_TimeOutHandle" + id + "兜底方案";

    }

    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback", commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),//是否开断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"),//请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"),//时间窗口期
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60")//失败所占的百分比
    })
    public String paymentCircuitBreaker(Integer id) {
        if (id < 0) {
            throw new RuntimeException("id不能为负数");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName() + " 调用成功,流水号:" + serialNumber;
    }

    public String paymentCircuitBreaker_fallback(Integer id) {
        return "id不能为负数>>>id:" + id;
    }
}
